The Seulingswald (also called the Sillingswald) is a hill range in the German Central Uplands which reaches heights of up to 480.3 m above sea level (NHN).

The Seulingswald is located between the settlements of Ronshausen to the north and Wildeck to the northeast (both in Hesse), Großensee and Dankmarshausen to the east-northeast (both in Thuringia), Heringen to the east, Friedewald to the south, Bad Hersfeld to the southwest, Ludwigsau to the west and Bebra to the northwest (all in Hesse).

Small-scale east-northeastern spurs descend on the far side of Hessian Kleinensee to the River Suhl near Thuringian Großensee.

At the junction of Bad Hersfeld it passes over the B27 federal highway which runs from the west of the region northwards towards Bebra.

There the Landesstraße 3251 branches of the B 27 and passes north of the Seulingswald heading east through Ronshausen to Hönebach on the Thuringian state border.